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How can I install Ubuntu on my IMAC mid 2010 High Sierra?

jrm1492m
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    Does this answer your question? [How do I get my Mac to boot from an Ubuntu USB key?](https://askubuntu.com/questions/28495/how-do-i-get-my-mac-to-boot-from-an-ubuntu-usb-key) – karel Mar 02 '21 at 01:50

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I've just installed Ubuntu 20.10 on an iMac 2009. I removed HighSierra totally.It was pretty straight forward.

  • I downloaded the ISO
  • I created a USB key with balenaEtcher under HighSierra
  • I rebooted with Alt key pressed and chose the USB key as the boot volume (i.e.: "EFI Boot" instead of "Macintosh HD")
  • I followed these instructions for single boot and voilà!

I could even run Try Ubuntu before installing it.
Everything worked right out of the box. (except my mouse cursor issue)

zetoune
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